@misc{indiciaec3f85808d5b2, title = {Diagnostic and therapeutic endoscopy.}, author = {N I Church and K R Palmer}, year = {1999}, doi = {10.1097/00001574-199911000-00008}, url = {https://pubmed.ncbi.nlm.nih.gov/17023997/}, note = {Source identifier: 17023997} }